1-[(E)-(5-nitrofuran-2-yl)methylideneamino]-(2,4,5-13C3)1,3-diazolidine-2,4-dione

This compound is an isotope-labeled active pharmaceutical ingredient used in pharmaceutical manufacturing and research. Its structure incorporates carbon-13 labels and features an amide, an amine, and an aromatic heterocyclic ring system.